Method and device for testing Mura around display panel

Method and device for testing Mura around display panel

  • CN 106,773,181 B
  • Filed: 01/16/2017
  • Issued: 08/03/2021
  • Est. Priority Date: 01/16/2017
  • Status: Active Grant
First Claim
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1. A method for testing Mura around a display panel is characterized by comprising the following steps:

  • determining the type of a display panel to be tested and the Mura type with uneven peripheral display;

    measuring the peripheral Mura area of the display panel to be tested to obtain at least one chromatic value of the peripheral Mura area, and measuring the central area to obtain at least one chromatic value of the central area;

    comparing and calculating at least one colorimetric value of the peripheral Mura area with at least one colorimetric value of the central area to obtain at least one color difference value;

    and determining the peripheral Mura grade of the display panel to be tested under the current peripheral Mura type according to the corresponding relation between the preset color difference value range and the Mura grade and the obtained at least one color difference value based on the type and the peripheral Mura type of the currently determined display panel to be tested.

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